Table 1 Baseline characteristics of 1st wave and 2nd wave patient cohorts in the Netherlands and NYC. Median, quartile range (“Q1” = first quartile; “Q3” = third quartile) and percentage missing (“% NA”) are presented for all continuous variables. The percentage of patients with male sex is reported in the last row
From: Prognostic models for COVID-19 needed updating to warrant transportability over time and space
NL 1st wave n = 5831 | NL 2nd wave n = 3252 | NYC 1st wave n = 12,163 | NYC 2nd wave n = 2137 | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
% NA | Median | Q1 | Q3 | % NA | Median | Q1 | Q3 | % NA | Median | Q1 | Q3 | % NA | Median | Q1 | Q3 | |
Age (years) | 0 | 70 | 58 | 80 | 0 | 71 | 58 | 80 | 0 | 65 | 54 | 77 | 0 | 66 | 54 | 77 |
BMI (kg/m2) | 58 | 26 | 23 | 30 | 59 | 26 | 23 | 30 | 17 | 28 | 24.6 | 32.3 | 2 | 28.1 | 24.9 | 32.4 |
HR (bpm) | 39 | 90 | 78 | 103 | 40 | 90 | 78 | 105 | 3 | 90 | 79 | 102 | 0 | 87 | 76 | 98 |
SBP (mmHg) | 42 | 133 | 118 | 150 | 43 | 134 | 119 | 151 | 3 | 127 | 114 | 143 | 0 | 129 | 115 | 145 |
RR (/min) | 42 | 19 | 16 | 23 | 43 | 20 | 16 | 24 | 3 | 20 | 18 | 23 | 0 | 20 | 18 | 22 |
Saturation (%) | 41 | 95.8 | 94.0 | 97.5 | 40 | 95.7 | 94.0 | 97.5 | 3 | 97 | 95 | 99 | 0 | 97 | 95 | 99 |
Temperature (°C) | 40 | 37.3 | 36.7 | 38.1 | 42 | 37.3 | 36.7 | 38.1 | 4 | 37.2 | 36.8 | 37.9 | 1 | 37.1 | 36.7 | 37.7 |
CRP (mg/L) | 7 | 48 | 10 | 118 | 9 | 57 | 16 | 124 | 41 | 109 | 56 | 186 | 6 | 74 | 34 | 131 |
D-Dimer (μg/L) | 64 | 1100 | 527 | 2545 | 76 | 1060 | 531 | 2170 | 36 | 477 | 282 | 1033 | 5 | 307 | 200 | 509 |
LDH (U/L) | 18 | 244 | 200 | 322 | 22 | 247 | 203 | 334 | 41 | 431 | 329 | 568 | 9 | 354 | 277 | 461 |
Leucocytes (×10^9/L) | 7 | 9.1 | 6.7 | 12.7 | 10 | 9.4 | 6.6 | 12.9 | 3 | 7.6 | 5.6 | 10.4 | 1 | 6.9 | 5.2 | 9.4 |
Lymphocytes (x10^9/L) | 16 | 1.04 | 0.66 | 1.6 | 20 | 0.98 | 0.62 | 1.50 | 4 | 0.92 | 0.64 | 1.33 | 1 | 0.91 | 0.63 | 1.35 |
Albumin (g/L) | 15 | 39 | 35.5 | 42 | 20 | 39 | 35 | 42 | 3 | 34 | 30 | 38 | 1 | 36 | 32 | 40 |
Bicarbonate (mmol/L) | 45 | 23.6 | 21 | 26 | 50 | 23.5 | 21 | 26 | 3 | 24 | 21 | 26 | 1 | 24 | 22 | 26 |
Creatinine (μmol/L) | 8 | 84 | 66 | 111 | 10 | 84 | 66 | 116 | 3 | 93 | 72 | 133 | 1 | 88 | 71 | 121 |
Eosinophils (×10^9/L) | 26 | 0.03 | 0.00 | 0.10 | 27 | 0.03 | 0.01 | 0.10 | 5 | 0 | 0 | 0.04 | 1 | 0.01 | 0 | 0.05 |
MCV (fL) | 7 | 90 | 87 | 94 | 10 | 90 | 87 | 94 | 5 | 88 | 84 | 92 | 1 | 88 | 85 | 92 |
Monocytes (×10^9/L) | 30 | 0.67 | 0.44 | 0.95 | 30 | 0.67 | 0.43 | 0.98 | 4 | 0.49 | 0.33 | 0.71 | 1 | 0.48 | 0.33 | 0.69 |
Neutrophils (×10^9/L) | 16 | 5.6 | 2.2 | 9.0 | 21 | 5.8 | 2.4 | 9.4 | 4 | 5.9 | 4.1 | 8.5 | 1 | 5.1 | 3.6 | 7.4 |
Sodium (mmol/L) | 9 | 138 | 135 | 140 | 11 | 137 | 134 | 139 | 3 | 136 | 133 | 139 | 1 | 136 | 134 | 139 |
Urea (mmol/L) | 9 | 6.5 | 4.6 | 9.7 | 11 | 6.9 | 4.9 | 10.4 | 3 | 6.4 | 4.3 | 11.1 | 1 | 6.1 | 4.3 | 9.3 |
Male sex | 0 | 57% | 0 | 56% | 0 | 57% | 0 | 57% | ||||||||